class person:
    city = '北京'
    def __init__(self,name,age,hobby,app):
        self.name = name
        self.age = age
        self.hobby = hobby
        self.app = app
    @staticmethod
    def printMenu():
            print('_______个人信息_______')
    def printInfo(self):
            print('居住城市',person.city)
            print('姓名',self.name)
            print('年龄',self.age)
            print('爱好',self.hobby)
            print('常用的app',self.app)
person1 = person('凌蓝','30','打羽毛球','淘宝，爱奇艺')
person1.printMenu()
person1.printInfo()
person.city = '上海'
person2 = person('糖果','25','跑步','淘宝，微博')
person2.printMenu()
person2.printInfo()